Browsing NIVA Open Access Archive by Title

Now showing items 6-25 of 8311

    • A 1-Dimensional Sympagic–Pelagic–Benthic Transport Model (SPBM): Coupled Simulation of Ice, Water Column, and Sediment Biogeochemistry, Suitable for Arctic Applications 

      Yakubov, Shamil; Wallhead, Philip; Protsenko, Elizaveta; Yakushev, Evgeniy; Pakhomova, Svetlana; Brix, Holger (Journal article; Peer reviewed, 2019)
      Marine biogeochemical processes can strongly interact with processes occurring in adjacent ice and sediments. This is especially likely in areas with shallow water and frequent ice cover, both of which are common in the ...

    • A carbon balance of Norway: terrestrial and aquatic carbon fluxes 

      de Wit, Heleen; Austnes, Kari; Hylen, Gro; Dalsgaard, Lise (Journal article; Peer reviewed, 2015)
      Northern landscapes accumulate carbon in vegetation and soils while rivers transport significant amounts of land-derived carbon to coastal areas. Here, we quantify carbon sources and sinks in main ecosystems (forests, ...

    • A Cost-effective Strategy for Pollution Abatement in the Hernad Catchment, Hungary 

      Bratli, J.L.; Dagestad, K. (NIVA-rapport;3355, Research report, 1996)
      The overall aims of this study are to elaborate tools for a more cost-effective and recipient oriented water management, and to conduct a specific abatement analysis in the Hernad catchment area. The Hernad river is ...

    • A coulometric Gran titration method for the determination of strong and weak acids in freshwater 

      Røgeberg, E. (NIVA-rapport;2019, Research report, 1987)
      A modefied Gran titration procedure for the determination of strong and weak acids in freshwater is described. The titrations are carried out by coulometric generation of hydroxide ions in the pH range 3.6-10.3. The method ...

    • A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins 

      Mantzouki, Evanthia; Campbell, James; van Loon, Emiel; Visser, Petra; Konstantinou, Iosif; Antoniou, Maria; Giuliani, Grégory; Machado-Vieira, Danielle; de Oliveira, Alinne Gurjão; Maronić, Dubravka Špoljarić; Stević, Filip; Pfeiffer, Tanja Žuna; Vucelić, Itana Bokan; Žutinić, Petar; Udovič, Marija Gligora; Plenković-Moraj, Anđelka; Tsiarta, Nikoletta; Bláha, Luděk; Geriš, Rodan; Fránková, Markéta; Christoffersen, Kirsten Seestern; Warming, Trine Perlt; Feldmann, Tõnu; Laas, Alo; Panksep, Kristel; Tuvikene, Lea; Kangro, Kersti; Häggqvist, Kerstin; Salmi, Pauliina; Arvola, Lauri; Fastner, Jutta; Straile, Dietmar; Rothhaupt, Karl-Otto; Fonvielle, Jeremy; Grossart, Hans-Peter; Avagianos, Christos; Kaloudis, Triantafyllos; Triantis, Theodoros; Zervou, Sevasti-Kiriaki; Hiskia, Anastasia; Gkelis, Spyros; Panou, Manthos; McCarthy, Valerie; Perello, Victor C; Obertegger, Ulrike; Boscaini, Adriano; Flaim, Giovanna; Salmaso, Nico; Cerasino, Leonardo; Koreiviene, Judita; Karosienė, Jūratė; Kasperovičienė, Jūratė; Savadova, Ksenija; Vitonyte, Irma; Haande, Sigrid; Skjelbred, Birger; Grabowska, Magdalena; Karpowicz, Maciej; Chmura, Damian; Nawrocka, Lidia; Kobos, Justyna; Mazur-Marzec, Hanna; Alcaraz-Párraga, Pablo; Wilk-Woźniak, Elżbieta; Krztoń, Wojciech; Walusiak, Edward; Gagala, Ilona; Mankiewicz-Boczek, Joana; Toporowska, Magdalena; Pawlik-Skowronska, Barbara; Niedźwiecki, Michał; Pęczuła, Wojciech; Napiórkowska-Krzebietke, Agnieszka; Dunalska, Julita; Sieńska, Justyna; Szymański, Daniel; Kruk, Marek; Budzyńska, Agnieszka; Goldyn, Ryszard; Kozak, Anna; Rosinska, Joanna; Szeląg-Wasielewska, Elżbieta; Domek, Piotr; Jakubowska-Krepska, Natalia; Kwasizur, Kinga; Messyasz, Beata; Pełechata, Aleksandra; Pełechaty, Mariusz; Kokocinski, Mikolaj; Madrecka, Beata; Kostrzewska-Szlakowska, Iwona; Frąk, Magdalena; Bańkowska-Sobczak, Agnieszka; Wasilewicz, Michal; Ochocka, Agnieszka; Pasztalenie, Agnieszka; Jasser, Iwona; Antão-Geraldes, Ana M.; Leira, Manel; Hernández, Armand; Vasconcelos, Vitor; Morais, João; Vale, Micaela; Raposeiro, Pedro M.; Gonçalves, Vítor; Aleksovski, Boris; Krstić, Svetislav; Nemova, Hana; Drastichova, Iveta; Chomova, Lucia; Remec-Rekar, Spela; Elersek, Tina; Delgado-Martin, Jordi; Garcia, David; Cereijo, Jose Luís; Gomà, Joan; Trapote, Mari Carmen; Vegas-Vilarrúbia, Teresa; Obrador, Biel; García-Murcia, Ana; Real, Monserrat; Romans, Elvira; Noguero-Ribes, Jordi; Duque, David Parreño; Fernández-Morán, Elísabeth; Úbeda, Bárbara; Gálvez, José Ángel; Marcé, Rafael; Catalán, Núria; Pérez-Martínez, Carmen; Ramos-Rodríguez, Eloísa; Cillero-Castro, Carmen; Moreno-Ostos, Enrique; Blanco, José María; Rodríguez, Valeriano; Montes-Pérez, Jorge Juan; Palomino, Roberto L.; Rodríguez-Pérez, Estela; Carballeira, Rafael; Camacho, Antonio; Picazo, Antonio; Rochera, Carlos; Santamans, Anna C.; Ferriol, Carmen; Romo, Susana; Soria, Juan Miguel; Hansson, Lars-Anders; Urrutia-Cordero, Pablo; Özen, Arda; Bravo, Andrea G.; Buck, Moritz; Colom-Montero, William; Mustonen, Kristiina; Pierson, Don; Yang, Yang; Verspagen, Jolanda M.H.; de Senerpont Domis, Lisette N.; Seelen, Laura; Teurlincx, Sven; Verstijnen, Yvon; Lürling, Miquel; Maliaka, Valentini; Faassen, Elisabeth J.; Latour, Delphine; Carey, Cayelan C.; Paerl, Hans W.; Torokne, Andrea; Karan, Tünay; Demir, Nilsun; Beklioğlu, Meryem; Filiz, Nur; Levi, Eti E; Iskin, Uğur; Bezirci, Gizem; Tavşanoğlu, Ülkü Nihan; Çelik, Kemal; Özhan, Koray; Karakaya, Nusret; Koçer, Mehmet Ali Turan; Yilmaz, Mete; Maraşlıoğlu, Faruk; Fakioglu, Özden; Soylu, Elif Neyran; Yağcı, Meral Apaydın; Çınar, Şakir; Çapkın, Kadir; Yağcı, Abdulkadir; Cesur, Mehmet; Bilgin, Fuat; Bulut, Cafer; Uysal, Rahmi; Köker, Latife; Akçaalan, Reyhan; Albay, Meriç; Alp, Mehmet Tahir; Özkan, Korhan; Sevindik, Tuğba Ongun; Tunca, Hatice; Önem, Burçin; Richardson, Jessica; Edwards, Christine; Bergkemper, Victoria; O'leary, Sarah; Beirne, Eilish; Cromie, Hannah; Ibelings, Bastiaan W. (Journal article; Peer reviewed, 2018)
      Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ...

    • A fatty acid based bayesian approach for inferring diet in aquatic consumers 

      Galloway, Aaron W.E.; Brett, Michael T.; Holtgrieve, Gordon W.; Ward, Eric J.; Ballantyne, Ashley P.; Burns, Carolyn W.; Kainz, Martin J.; Müller-Navarra, Doerthe C.; Persson, Jonas; Ravet, Joseph L.; Strandberg, Ursula; Taipale, Sami J.; Alhgren, Gunnel (Journal article; Peer reviewed, 2015)
      We modified the stable isotope mixing model MixSIR to infer primary producer contributions to consumer diets based on their fatty acid composition. To parameterize the algorithm, we generated a ‘consumer-resource library’ ...

    • A Framework for the Development, Design and Implementation of a Sustained Arctic Ocean Observing System 

      Lee, Craig M.; Starkweather, Sandy; Eicken, Hajo; Timmermans, Mary-Louise; Wilkinson, Jeremy; Sandven, Stein; Dukhovskoy, Dmitry; Gerland, Sebastian; Grebmeier, Jacqueline; Intrieri, Janet M.; Kang, Sung-Ho; McCammon, Molly; Nguyen, An T.; Polyakov, Igor; Rabe, Benjamin; Sagen, Hanne; Seeyave, Sophie; Volkov, Denis; Beszczynska-Möller, Agnieszka; Chafik, Léon; Dzieciuch, Matthew; Goni, Gustavo; Hamre, Torill; King, Andrew Luke; Olsen, Are; Raj, Roshin Pappukutty; Rossby, Thomas; Skagseth, Øystein; Søiland, Henrik; Sørensen, Kai (Journal article; Peer reviewed, 2019)
      Rapid Arctic warming drives profound change in the marine environment that have significant socio-economic impacts within the Arctic and beyond, including climate and weather hazards, food security, transportation, ...

    • A high-throughput solid-phase microextraction and post-loop mixing large volume injection method for water samples 

      Baz-Lomba, Jose Antonio; Löve, Arndis S.C.; Reid, Malcolm James; Ólafsdóttir, Kristín; Thomas, Kevin V (Journal article; Peer reviewed, 2018)
      This article presents a novel approach for the analysis of 13 drugs in wastewater for use in wastewater-based epidemiology (WBE) studies. Sample preparation remains one of the principal bottlenecks in modern high-throughput ...

    • A literature study of human activities and pressures as well as ecosystem component layers available for Marine Spatial Planning and mapping of cumulative impacts in Swedish marine waters 

      Andersen, Jesper Harbo; Kallenbach, Emilie (NIVA-rapport;6997, Research report, 2016)
      We report a literature study on the needs for and the availability of data layers required for evidence-based Marine Spatial Planning (MSP) as well as mapping of the potential cumulative effects of multiple human activities. ...

    • A low-cost remotely operated vehicle (ROV) with an optical positioningsystem for under-ice measurements and sampling 

      Lund-Hansen, Lars Chresten; Juul, Thomas; Eskildsen, Tor Dam; Hawes, Ian; Sorrell, Brian; Melvad, Claus; Hancke, Kasper (Journal article; Peer reviewed, 2018)
      Here we describe the design, performance and field tests of a lightweight (13.1 kg), low-cost (15.000 USD), and portable remotely operated vehicle (ROV) of dimensions 55 × 43 × 34 cm (L × H × W), with a new optical based ...

    • A mega-cryptic species complex hidden among one of the most common annelids in the North East Atlantic 

      Nygren, Arne; Parapar, Julio; Pons, Joan; Meißner, Karin; Bakken, Torkild; Kongsrud, Jon Anders; Oug, Eivind; Gaeva, Daria; Sikorski, Andrey; Johansen, Robert André; Hutchings, Pat Ann; Lavesque, Nicolas; Capa, Maria (Journal article; Peer reviewed, 2018)
      We investigate mitochondrial (COI, 16S rDNA) and nuclear (ITS2, 28S rDNA) genetic structure of North East Atlantic lineages of Terebellides, a genus of sedentary annelids mainly inhabiting continental shelf and slope ...

    • A mesocoms experiment on the impacts of water- and olefin-based drill cuttings on benthic communities 

      Schaanning, M.; Trannum, H.; Øxnevad, S. (NIVA-rapport;5342, Research report, 2007)
      A three months simulated seabed experiment on water- and olefin-based drill cuttings has been performed at NIVAs Marine Research Station at Solbergstrand. Twelve box-core samples were transferred from 200 m depth in the ...

    • A mesocosm experiment on methyl mercury formation after cappingof U-864 sediments enriched with powdered algae 

      Ndungu, Kuria; Schaanning, Morten (NIVA-rapport;6867, Research report, 2015)
      A mesocosm experiment was performed on methylation of mercury in marine sediments from the wreck site at Fedje. The mercury contaminated sediment was enriched with zero, low, medium or high dose of labile organic carbon ...

    • A modeling study of the nonlinear response of fine particles to air pollutant emissions in the Beijing-Tianjin-Hebei region 

      Zhao, Bin; Wu, Wenjing; Wang, Shuxiao; Xing, Jia; Chang, Xing; Liou, Kuo-Nan; Jiang, Jonathan H.; Gu, Yu; Jang, Carey; Fu, Joshua; Zhu, Yun; Wang, Jiandong; Lin, Yan; Hao, Jiming (Journal article; Peer reviewed, 2017)
      The Beijing–Tianjin–Hebei (BTH) region has been suffering from the most severe fine-particle (PM2:5) pollution in China, which causes serious health damage and economic loss. Quantifying the source contributions to PM2:5 ...

    • A new broad typology for rivers and lakes in Europe: Development and application for large-scale environmental assessments 

      Solheim, Anne Lyche; Globevnik, Lidija; Austnes, Kari; Kristensen, Peter; Moe, S. Jannicke; Persson, Jonas; Phillips, Geoff; Poikane, Sandra; van de Bund, Wouter; Birk, Sebastian (Journal article; Peer reviewed, 2019)
      European countries have defined >1000 national river types and >400 national lake types to implement the EU Water Framework Directive (WFD). In addition, common river and lake types have been defined within regions of ...

    • A novel role for pigment genes in the stress response in rainbow trout (Oncorhynchus mykiss) 

      Kahn, Uniza Wahid; Øverli, Øyvind; Hinkle, Patricia M.; Pasha, Farhan Ahmad; Johansen, Ida Beitnes; Berget, Ingunn; Silva, Patricia; Kittilsen, Silje; Höglund, Erik; Omholt, Stig William; Våge, Dag Inge (Journal article; Peer reviewed, 2016)
      In many vertebrate species visible melanin-based pigmentation patterns correlate with high stress- and disease-resistance, but proximate mechanisms for this trait association remain enigmatic. Here we show that a missense ...

    • A Preliminary Feasability Report on the Vacuum Filtration of Combined Septic Tank and Raw Sludge from the Bærum Community 

      Vesilind, P.A. - Project manager (NIVA-rapport;0216, Research report, 1968)

    • A proposal for an administrative set up of river basin management in the Sittaung River Basin 

      Tun, Zaw Lwin; Ni, Bo; Tun, Sein; Nesheim, Ingrid (NIVA-rapport;7103, Research report, 2016)
      The purpose of this report is to present a proposal for how an administrative approach based on River Basin Management can be implemented in Myanmar. The Sittaung River Basin has been used as an example area to investigate ...

    • A quantitative framework for assessing ecological resilience 

      Baho, Didier L.; Allen, Craig R.; Garmestani, Ahjond; Fried-Petersen, Hannah; Renes, Sophia E.; Gunderson, Lance; Angeler, David G. (Peer reviewed; Journal article, 2017)
      Quantitative approaches to measure and assess resilience are needed to bridge gaps between science, policy, and management. In this paper, we suggest a quantitative framework for assessing ecological resilience. Ecological ...

    • A review of the effects on aquatic ecosystems of acid iron waste from the production of titanium dioxide by the sulphate process 

      Knutzen, J. (NIVA-rapport;1458, Research report, 1983)
      Damaging effects of acid iron waste to biota have been demonstrated in the vicinity of coastal and estuarine outfalls. The toxic properties have been confirmed in laboratory studies with algae, invertebrates and fish. So ...